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If the height difference is certain, will the pressure difference required for taking different routes be the same?

2020-02-15View Original

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As shown in the figure, the height difference between AD is constant and the height difference between BC is 0.8m. Is the pressure difference required through ABD and ACD the same?
Reply #22020-02-15
The actual resistance of pipelines, valves, etc. on different routes is different.
Reply #32020-02-15
Don't just consider the height. The pressure difference of the pipeline is related to the valve elbow. Bai Endu's equation\ud83d\ude07
Reply #42020-02-16
I thought it was too simple\ud83d\ude02
Reply #52020-02-17
If it is just static pressure, it is the same. If it is a flowing state, pipe resistance, etc. need to be considered.
Reply #62020-02-17
The pressure difference is the same, but the resistance is different.
Reply #72020-02-18
According to the standards and principles, who can give a standard answer?
Reply #82020-02-18
The pressure drop in the pipeline is not much, mainly due to the large pressure loss of the regulating valve itself. If this is not a regulating valve, but a valve with the same double line as the upper regulating valve, then the pressure loss can be considered the same
Reply #92020-02-19
How can we come up with a standard answer for this without any data? Especially when it comes to regulating valves, the resistance characteristics of different regulating valves are very different. The resistance values ​​of elbows and pipes are better. I don't know what you want to calculate? What result do you want?

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